A History of the Atom : Theories and Models
Aug23

A History of the Atom : Theories and Models

How have our ideas about atoms changed over the years? In this article we look at how our atomic models have developed over time. It is entirely probable that we aren’t there yet and our understanding of the strange world, that is the realm of sub-atomic particle, will change again at some time in the future. Although our article starts in the 1800s, the idea of atoms was around long before that. It is in Ancient Greece that we...

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Why Do Light Bulbs Light Up
Aug16

Why Do Light Bulbs Light Up

Why Do Light Bulbs Light Up? The answer to this one is in fact changing … In this article we look at BOTH Incandescent and LED Light bulbs.

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The Worlds Longest Running Battery
Aug02

The Worlds Longest Running Battery

In a physics lab at the University of Oxford there is a battery that has been powering a metal ball ringing two bells for a staggering 175 years and nobody knows why.

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Were the Moon Landings Fake ? – Debunking The Conspiracy Theories
Jul19

Were the Moon Landings Fake ? – Debunking The Conspiracy Theories

To have to be forced to even think about debunking this question is something of a sad indictment of our current zeitgeist. That said, the Moon Landing conspiracy, is one of those theories that seems to persist – so we’ll give it our best shot to explain the most pertinent objections that are often quoted as ‘proof’ that it was all fake, and nothing more than an attempt to humiliate the Russians and hoodwink the world in the cause of American glory.

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How Can Flies Fly at Speed into a Pane of Glass and Seemingly Remain Uninjured ?
Jun28

How Can Flies Fly at Speed into a Pane of Glass and Seemingly Remain Uninjured ?

How Can Flies Fly at Speed into a Pane of Glass and Seemingly Remain Uninjured ?
The answer lies in a basic physics equation – one we would all have learned at school – and in the fact that the anatomy of a fly is rather springy.

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How is it that a Yacht Can Travel Faster than the Wind ?
Nov20

How is it that a Yacht Can Travel Faster than the Wind ?

There is something undeniably odd about a yacht doing 25 knots while sailing into a 15 knot wind. So, how is it that a yacht can travel faster than the wind ?

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Are Old Windows Thicker at the Base Because Glass Flows Like Syrup ?
Sep18

Are Old Windows Thicker at the Base Because Glass Flows Like Syrup ?

This is one of those urban myths that refuses to die. The idea that glass is really a viscous liquid, so thick that it takes centuries for it to flow. But what is the truth ?

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Brew Time Conundrums : Why does a kettle of water quieten down just before it starts to boil ?
Aug07

Brew Time Conundrums : Why does a kettle of water quieten down just before it starts to boil ?

They say that “a watched pot never boils”, but next time you’re in the kitchen waiting for the kettle to boil for a fresh brew take a moment to listen, rather than watch, to what happens just before your kettle reaches boiling point. A short period where it actually gets quieter – so what’s going on here then ?

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Strange but True : Medical Scanners from Old Battleships
Jul13

Strange but True : Medical Scanners from Old Battleships

The idea that all war is forever over and that swords will be put to a more peaceful use is appealing, but seemingly ever beyond our grasp. The literal forging of weapons into a better purpose seems far fetched, so it will surprise you to know that today we literally are doing this! Medical Scanners are being made from old WW2 and pre-WW2 Battleships. But why ?

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The Mile High Tea Club – Or is it Possible to get a Good Cuppa whilst In-Flight?
May22

The Mile High Tea Club – Or is it Possible to get a Good Cuppa whilst In-Flight?

At guernseydonkey.com we take our tea very seriously to wit our advice on “Making the Perfect Cup of Tea”. So, to the next tea conundrum : Is it possible to get a decent cup of tea while on an aeroplane ?

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Measuring Infinity – How Many Atoms Are There in the Universe ?
May18

Measuring Infinity – How Many Atoms Are There in the Universe ?

t’s no secret that the universe is an extremely vast place. But can we calculate how many atoms it contains?

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Hard Science : The Relative Hardness of Being
May01

Hard Science : The Relative Hardness of Being

Here’s a rather random, but nevertheless interesting, science fact : Did you know that there’s a Scientific scale of hardness ? And when you see it you’ll find that its surprisingly simple – no equations, no calculus and no test tubes involved at all.

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The Joy of Slinky – The Physics of a Metal Marvel
Jan30

The Joy of Slinky – The Physics of a Metal Marvel

I’ve recently re-discovered the joy of the Slinky – one of the simplest of all children’s toys and yet, so beguiling, as it seems to defy the laws of physics by hinting at some sort of perpetual motion. So how on earth does this work?

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How to Measure the Speed of Light Using Chocolate, a Microwave and a Ruler
Jan12

How to Measure the Speed of Light Using Chocolate, a Microwave and a Ruler

It took over 300 years of experimentation and refinement to arrive at the figure for the speed of light which we use as standard today. That being the case, the method proposed in this article for determining that speed yourself might seem more than a little surprising.

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Is it True that Opera Singers Really Can Shatter Wine Glasses by Singing ?
Jan09

Is it True that Opera Singers Really Can Shatter Wine Glasses by Singing ?

The renowned soprano Dame Nellie Melba is reputed to have performed this trick and in 1971 the audio-tape maker Memorex based a very successful advertising campaign around Ella Fitzgerald shattering glass both when singing live and when recorded on its tape cassettes (a claim the company still stands by today).

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